Mary Portas: Secret Shopper (2011) is a Reality series that follows mary Portas works with well-known brands and high-street chains to give shoppers the service they deserve. Mary convinces major brands to bare all and hand over the reins - but will they take on her advice? Mary Portas: Secret Shopper is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 8.2 out of 10 from 4 votes. Fans of reality series may also want to explore similar titles below.